/* Soot - a J*va Optimization Framework
* Copyright (C) 2004 Jennifer Lhotak
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
package soot.javaToJimple;
import java.util.*;
public class BiMap {
HashMap<Object, Object> keyVal;
HashMap<Object, Object> valKey;
public BiMap(){
}
public void put(Object key, Object val){
if (keyVal == null){
keyVal = new HashMap<Object, Object>();
}
if (valKey == null){
valKey = new HashMap<Object, Object>();
}
keyVal.put(key, val);
valKey.put(val, key);
}
public Object getKey(Object val){
if (valKey == null) return null;
return valKey.get(val);
}
public Object getVal(Object key){
if (keyVal == null) return null;
return keyVal.get(key);
}
public boolean containsKey(Object key){
if (keyVal == null) return false;
return keyVal.containsKey(key);
}
public boolean containsVal(Object val){
if (valKey == null) return false;
return valKey.containsKey(val);
}
}